diff --git a/.github/workflows/compile_development.yml b/.github/workflows/compile_development.yml
index 91a54f4f..bd610a55 100644
--- a/.github/workflows/compile_development.yml
+++ b/.github/workflows/compile_development.yml
@@ -70,6 +70,11 @@ jobs:
     - name: Run PlatformIO
       run:  pio run -d src -e ${{ matrix.variant }}
 
+    - name: Compress .elf
+      uses: edgarrc/action-7z@v1
+      with:
+        args: 7z a -t7z -mx=9 src/.pio/build/${{ matrix.variant }}/firmware.elf.7z src/.pio/build/${{ matrix.variant }}/firmware.elf
+
     - name: Rename Firmware
       run: python scripts/getVersion.py ${{ matrix.variant }} >> $GITHUB_OUTPUT
 
@@ -135,7 +140,7 @@ jobs:
     - name: Compress .elf
       uses: edgarrc/action-7z@v1
       with:
-        args: 7z a -t7z -mx=9 src/.pio/build/${{ matrix.variant }}firmware.elf.7z src/.pio/build/${{ matrix.variant }}firmware.elf
+        args: 7z a -t7z -mx=9 src/.pio/build/${{ matrix.variant }}/firmware.elf.7z src/.pio/build/${{ matrix.variant }}/firmware.elf
 
     - name: Rename Firmware
       run: python scripts/getVersion.py ${{ matrix.variant }} >> $GITHUB_OUTPUT
diff --git a/src/CHANGES.md b/src/CHANGES.md
index 3002ed7c..5efb1610 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -1,7 +1,7 @@
 # Development Changes
 
 ## 0.8.122 - 2024-05-23
-* add button for donwloading coredump
+* add button for donwloading coredump (ESP32 variants only)
 
 ## 0.8.121 - 2024-05-20
 * fix ESP32 factory image generation
diff --git a/src/web/RestApi.h b/src/web/RestApi.h
index e810a5cb..dd8c5ca5 100644
--- a/src/web/RestApi.h
+++ b/src/web/RestApi.h
@@ -55,7 +55,9 @@ class RestApi {
             mSrv->on("/api", HTTP_GET,  std::bind(&RestApi::onApi,         this, std::placeholders::_1));
 
             mSrv->on("/get_setup", HTTP_GET,  std::bind(&RestApi::onDwnldSetup, this, std::placeholders::_1));
+            #if defined(ESP32)
             mSrv->on("/coredump", HTTP_GET,  std::bind(&RestApi::getCoreDump, this, std::placeholders::_1));
+            #endif
         }
 
         uint32_t getTimezoneOffset(void) {
@@ -349,6 +351,7 @@ class RestApi {
             fp.close();
         }
 
+        #if defined(ESP32)
         void getCoreDump(AsyncWebServerRequest *request) {
             const esp_partition_t *partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_COREDUMP, "coredump");
             if (partition != NULL) {
@@ -375,6 +378,7 @@ class RestApi {
                 request->send(response);
             }
         }
+        #endif
 
         void getGeneric(AsyncWebServerRequest *request, JsonObject obj) {
             mApp->resetLockTimeout();
@@ -463,8 +467,13 @@ class RestApi {
         void getHtmlSystem(AsyncWebServerRequest *request, JsonObject obj) {
             getSysInfo(request, obj.createNestedObject(F("system")));
             getGeneric(request, obj.createNestedObject(F("generic")));
+            #if defined(ESP32)
             char tmp[300];
             snprintf(tmp, 300, "<a href=\"/factory\" class=\"btn\">%s</a><br/><br/><a href=\"/reboot\" class=\"btn\">%s</a><br/><br/><a href=\"/coredump\" class=\"btn\">%s</a>", FACTORY_RESET, BTN_REBOOT, BTN_COREDUMP);
+            #else
+            char tmp[200];
+            snprintf(tmp, 200, "<a href=\"/factory\" class=\"btn\">%s</a><br/><br/><a href=\"/reboot\" class=\"btn\">%s</a>", FACTORY_RESET, BTN_REBOOT);
+            #endif
             obj[F("html")] = String(tmp);
         }